There is a special way you must enter these codes. First, you must choose a mode from the Title Screen/Main Menu. Then on the Select Player Screen, pick an Empty file. When asked to enter your initials, press and hold 
while scrolling through the letters with the analog stick. Next, choose each letter of the code with 
. You will see the letters of the codes appear in the lower left-hand corner of the screen. After the entire code has been entered, press , on the word, "End." This will confirm the code.
Use this method to enter the codes shown below:
RRDUAL -This lets you play the game with two separate controllers. Player one must use two controllers plugged into ports I and 3, and player two must use two controllers plugged into ports 2 and 4.
RRJINNRE - You must first unlock Mars Guo for this code to work. Once you do, put in this code, save it under any name and go into your file that has Mars unlocked. You will now be able to play as Jinn Reeso in place of Phuii.
RRJABBA - This code makes you invincible to damage and overheating. (Note: This code needs the Cheat Menu to be activated.)
RRTHEBEAST - This code activates Mirror Mode. Your left and right controls will be switched during the game. (Note: This code needs the Cheat Menu to be activated.)
RRDEBUG - debug mode. During a race, pause the game and do : 
, 
, 
, 
RRTANGENTABACUS - Cheat menu. During a race, pause the game and do : , , ,
Written by Zestorm
